in the long-standing tradition of laying a wreath at the tomb of the unknown soldier. the president paid his respect at arlington national cemetery where he talked about the sacrifices of those who died while serving this nation. >> to every gold star family who honors us with your presence, you lost sons and daughters, husbands and wives, mothers and fathers. they each had their own names, their own stories, their own beautiful dreams, but they were all angels sent to us by god, and they all share one title in common, and that is the title of hero. >> with me now alison jaslow, the director of iava, and also laid a wreath at the tomb of the